➖ remove systems dependency

flake.lock

@@ -60,11 +60,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1785496534,
-        "narHash": "sha256-EASdusMYLuPhOCrE3LmsAGOvGhX3vnKBLxFvj9lI8tU=",
+        "lastModified": 1785531816,
+        "narHash": "sha256-vkMnV0JIyw+g/NmcfoajlGaAO+9a0ezia+FZohQJrik=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "e8827fbbb12015a8dd9f66285aec79d655bcb9f6",
+        "rev": "bf9ce9fec78f95f374e8dd3b503863a3ec128ebe",
         "type": "github"
       },
       "original": {
@@ -131,11 +131,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1785301185,
-        "narHash": "sha256-eoS3KQTO0aPWXZvIaRbRAzSSHW3l5wdMFXtT1ISfoKA=",
+        "lastModified": 1785483748,
+        "narHash": "sha256-M4HXpLsR7iFTNQfD/q+zK8/QeRYztYVDVIdIgCVGGZ0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "9bc02893134c733dd85de46ee4fb2fac696b5529",
+        "rev": "59ea0b1c043c463e39fcb3cfb9a5c8bcf0777c72",
         "type": "github"
       },
       "original": {
@@ -175,8 +175,7 @@
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs",
         "pre-commit-hooks": "pre-commit-hooks",
-        "sops-nix": "sops-nix",
-        "systems": "systems"
+        "sops-nix": "sops-nix"
       }
     },
     "sops-nix": {
@@ -198,21 +197,6 @@
         "repo": "sops-nix",
         "type": "github"
       }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
     }
   },
   "root": "root",

flake.nix

@@ -3,7 +3,6 @@
 
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
-    systems.url = "github:nix-systems/default";
 
     nixos-hardware = {
       url = "github:NixOS/nixos-hardware";
@@ -46,12 +45,17 @@
       self,
       nixpkgs,
       pre-commit-hooks,
-      systems,
       ...
     }@inputs:
     let
+      systems = [
+        "aarch64-darwin"
+        "aarch64-linux"
+        "x86_64-linux"
+      ];
+
       forAllSystems =
-        fn: nixpkgs.lib.genAttrs (import systems) (system: fn system nixpkgs.legacyPackages.${system});
+        fn: nixpkgs.lib.genAttrs systems (system: fn system nixpkgs.legacyPackages.${system});
     in
     {
       checks = forAllSystems (